Respiration relies on the muscles of inspiration & expiration. The thick, dome-shaped muscle
that separates the abdomen from the thorax is the...
A. sternocleidomastoid
B. Levator costarum longis
C. serratus posterior superior
D. pectoralis major
E. diaphragm
ANSWER
E. diaphragm
Most pharyngeal muscles are innervated by the cranial nerves ...
A. V,VII
B. XI, XII
C. X, XI
D. IX, X
E. VIII, X
ANSWER
D. IX (glossopharyngeal), X (vagus) --> these CN's make up the pharyngeal plexus
The primary muscle of the lips is the...
A. orbicularis oris
B. buccinator
C. levator labii superioris
D. zygomatic major
1
, ANSWER
A. orbicularis oris
The neurons that transmit information away from the brain are called...
A. afferent neurons
B. efferent neurons
C. primary neurons
D. secondary neurons
E. peripheral neurons
ANSWER
B. efferent neurons
An important structure adjacent to the brainstem that contains the hypothalamus (which
controls emotions) and the thalamus (which relays sensory impulses to various portions of
the cerebral cortex) is called the ...
A. mesencephalon
B. diencephalon
C. inferior cerebellar peduncle
D. superior cerebellar peduncle
E. postcentral gyrus
ANSWER
B. diencephalon
The corpus striatum of the basal ganglia is composed of 3 nuclear masses, which are the...
A. globus pallidus, caudate nucleus, and putamen
B. putamen, caudate nucleus, and basal ganglia
C. supramarginal gyrus, angular gyrus, and putamen
D. substantia nigra, angular gyrus, and globus pallidus
2
that separates the abdomen from the thorax is the...
A. sternocleidomastoid
B. Levator costarum longis
C. serratus posterior superior
D. pectoralis major
E. diaphragm
ANSWER
E. diaphragm
Most pharyngeal muscles are innervated by the cranial nerves ...
A. V,VII
B. XI, XII
C. X, XI
D. IX, X
E. VIII, X
ANSWER
D. IX (glossopharyngeal), X (vagus) --> these CN's make up the pharyngeal plexus
The primary muscle of the lips is the...
A. orbicularis oris
B. buccinator
C. levator labii superioris
D. zygomatic major
1
, ANSWER
A. orbicularis oris
The neurons that transmit information away from the brain are called...
A. afferent neurons
B. efferent neurons
C. primary neurons
D. secondary neurons
E. peripheral neurons
ANSWER
B. efferent neurons
An important structure adjacent to the brainstem that contains the hypothalamus (which
controls emotions) and the thalamus (which relays sensory impulses to various portions of
the cerebral cortex) is called the ...
A. mesencephalon
B. diencephalon
C. inferior cerebellar peduncle
D. superior cerebellar peduncle
E. postcentral gyrus
ANSWER
B. diencephalon
The corpus striatum of the basal ganglia is composed of 3 nuclear masses, which are the...
A. globus pallidus, caudate nucleus, and putamen
B. putamen, caudate nucleus, and basal ganglia
C. supramarginal gyrus, angular gyrus, and putamen
D. substantia nigra, angular gyrus, and globus pallidus
2
